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15
Math.TechQA.Club
2026-04-01 08:24:22
4.9k
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Applications of category theory and topoi/topos theory in reality
Published on
01 Apr 2026 - 8:24
#category-theory
#applications
#topos-theory
910
Views
Is the category of sheaves on a site always abelian?
Published on
04 Feb 2013 - 17:29
#algebraic-geometry
#category-theory
#topos-theory
153
Views
Freyd's Geometric Finiteness : An Example Computation
Published on
19 Feb 2013 - 18:25
#category-theory
#topos-theory
99
Views
Is this thing K-finite?
Published on
21 Feb 2013 - 19:14
#logic
#category-theory
#topos-theory
1k
Views
Reference for forcing using topos theory
Published on
29 Mar 2026 - 15:30
#reference-request
#category-theory
#forcing
#topos-theory
691
Views
Natural numbers objects in topoi: Recursion in a parameter
Published on
18 Mar 2013 - 21:06
#category-theory
#topos-theory
89
Views
If $\mathcal F$ is a sheaf, then is $\mathcal F (- \times X)$ a sheaf?
Published on
20 Mar 2013 - 4:27
#category-theory
#sheaf-theory
#topos-theory
150
Views
Joyal-Tierney definition of locally isomorphic objects
Published on
21 Mar 2013 - 14:17
#category-theory
#topos-theory
163
Views
Products of sites
Published on
25 Mar 2013 - 17:08
#general-topology
#algebraic-geometry
#category-theory
#topos-theory
364
Views
Essential geometric morphism seen topologically
Published on
29 Mar 2013 - 15:05
#algebraic-geometry
#topos-theory
42
Views
Would it be possible to "bootstrap" topos theory and its internal language simultaneously?
Published on
07 Aug 2020 - 17:55
#topos-theory
99
Views
Unique Existence In Local Set Theories
Published on
25 Mar 2026 - 16:13
#logic
#category-theory
#model-theory
#topos-theory
#alternative-set-theories
191
Views
Substitution In Logic
Published on
25 Mar 2026 - 16:20
#logic
#category-theory
#topos-theory
#alternative-set-theories
168
Views
Does forcing leave some trace in the resulting model?
Published on
29 Mar 2026 - 16:47
#logic
#category-theory
#set-theory
#forcing
#topos-theory
690
Views
Computational Type Theory For Topos Logic
Published on
24 Mar 2026 - 2:08
#category-theory
#topos-theory
#type-theory
#homotopy-type-theory
#computer-assisted-proofs
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